We investigate intensity of the parametric down conversion of ultrashort,
ultraviolet pulse both in a low- and high-conversion regime. In the first
regime, we develop a simple analytical expressions for the photon flux of the
fluorescence. Numerical simulations using three-dimensional stochastic Wigner
method provide results in the latter regime. We find that the perturbative
approximation for the photon flux as a function of the wavelength of the signal
and the observation angle, quantitatively describes even the non-perturbative
regime. For short pump pulses the intensity of the fluorescence is highest at
frequencies where the group velocities of the pump and the down-conversion are
equal. For longer pump pulses this requirement is gradually relaxed.
Additionally, for small pump beams, the intensity strongly depends on the
spatial divergence between interacting fields.
Beschreibung
Intensity of parametric fluorescence pumped by ultrashort pulses
%0 Generic
%1 Chwedenczuk2008
%A Chwedenczuk, Jan
%A Wasilewski, Wojciech
%D 2008
%K downconversion imported optics
%T Intensity of parametric fluorescence pumped by ultrashort pulses
%U http://arxiv.org/abs/0804.3245
%X We investigate intensity of the parametric down conversion of ultrashort,
ultraviolet pulse both in a low- and high-conversion regime. In the first
regime, we develop a simple analytical expressions for the photon flux of the
fluorescence. Numerical simulations using three-dimensional stochastic Wigner
method provide results in the latter regime. We find that the perturbative
approximation for the photon flux as a function of the wavelength of the signal
and the observation angle, quantitatively describes even the non-perturbative
regime. For short pump pulses the intensity of the fluorescence is highest at
frequencies where the group velocities of the pump and the down-conversion are
equal. For longer pump pulses this requirement is gradually relaxed.
Additionally, for small pump beams, the intensity strongly depends on the
spatial divergence between interacting fields.
@misc{Chwedenczuk2008,
abstract = { We investigate intensity of the parametric down conversion of ultrashort,
ultraviolet pulse both in a low- and high-conversion regime. In the first
regime, we develop a simple analytical expressions for the photon flux of the
fluorescence. Numerical simulations using three-dimensional stochastic Wigner
method provide results in the latter regime. We find that the perturbative
approximation for the photon flux as a function of the wavelength of the signal
and the observation angle, quantitatively describes even the non-perturbative
regime. For short pump pulses the intensity of the fluorescence is highest at
frequencies where the group velocities of the pump and the down-conversion are
equal. For longer pump pulses this requirement is gradually relaxed.
Additionally, for small pump beams, the intensity strongly depends on the
spatial divergence between interacting fields.
},
added-at = {2009-07-24T13:16:07.000+0200},
author = {Chwedenczuk, Jan and Wasilewski, Wojciech},
biburl = {https://www.bibsonomy.org/bibtex/2e7be218b941ecfc28e6015278b90b09c/stared},
description = {Intensity of parametric fluorescence pumped by ultrashort pulses},
interhash = {e5815c5508b67bbf88970a77f85ecf57},
intrahash = {e7be218b941ecfc28e6015278b90b09c},
keywords = {downconversion imported optics},
note = {cite arxiv:0804.3245
},
timestamp = {2009-07-24T13:16:08.000+0200},
title = {Intensity of parametric fluorescence pumped by ultrashort pulses},
url = {http://arxiv.org/abs/0804.3245},
year = 2008
}